

	Fixed resolution.
	Selected ImageX types can be attached as targets.
	Upload-able pixel shaders.



-------------------------------

Ray3: 
	mi: double intersect(Surface3)
		note: for all classes extending Surface3.

Hit: 
	fi: double t
	fr: vec3 pt
	fr: Geom geom

Scene: 
	mi: Hit castRay(Ray3)
	mi: double castOcclusion(Ray3, Geom Target)

